Question

If x = 45°, find y.
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Answer 1

Answer:

Take the linear pair for B then,

y°=180°-45°

y=135°

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Answer 2

Given:

• <DBA=x= 45°

To Find:

• y=?

Solution:

<DAB+<DBC=180°...... (Angles in linear pair)

: . 45 +<DBC=180

: . <DBC= 180-45

: . <DBC = y =135°